Forbid non tailwind classes in browser (#16902)

Enables the non tailwind eslint rule to ensure we don't accidentally add any bad classes to our browser extension.

- Notification bar uses a custom CSS file and is excluded.
- Removed unused `UserVerificationComponent`.

libs/components/src/tooltip/tooltip.component.html

@@ -1,4 +1,3 @@
-<!-- eslint-disable-next-line tailwindcss/no-custom-classname -->
 <div
   class="bit-tooltip-container"
   [attr.data-position]="tooltipData.tooltipPosition()"